[Paraview-developers] The Threshold filter

Mon Feb 4 12:58:02 EST 2013

Hi,

Thanks very much for your answers. I managed with two threshold filters + 
a "Group Dataset" ... and also with the trick of the SQRST field. I am now 
recompiling my ParaView 3.98 using python support to try with "Find Data".

Thanks again for you help guys !

Alejandro.

david.thompson at kitware.com 
01/02/2013 23:31

A
kmorel at sandia.gov
cc
andy.bauer at kitware.com, alejandro.ribes at edf.fr, 
paraview-developers at paraview.org, paraview-developers-bounces at paraview.org
Objet
Re: [Paraview-developers] The Threshold filter

Hi all,

> Another roundabout way is to first use the array calculator to get the 
absolute value or square of the field, then use the threshold filter to 
extract all values that are some epsilon more than 0 or greater.

Yet another roundabout way (assuming PV 3.98+ built with Python) is to use 
the "Find Data" dialog to select the cells with nonzero values and then 
apply the "Extract Selection" filter.

                 David

> From: Andy Bauer <andy.bauer at kitware.com>
> Date: Friday, February 1, 2013 1:10 PM
> To: Alejandro RIBES <alejandro.ribes at edf.fr>
> Cc: "paraview-developers at paraview.org" 
<paraview-developers at paraview.org>, 
"paraview-developers-bounces at paraview.org" 
<paraview-developers-bounces at paraview.org>
> Subject: [EXTERNAL] Re: [Paraview-developers] The Threshold filter
> 
>> Hi,
>> 
>> A slightly round-about way to do this is to apply 2 threshold filters 
and then use the append data sets filter to put them back together.
>> 
>> Andy
>> 
>> On Fri, Feb 1, 2013 at 12:56 PM, Alejandro RIBES 
<alejandro.ribes at edf.fr> wrote:
>>> 
>>> Hi, 
>>> 
>>> Using ParaView I am trying to exclude all the zero elements in a 
scalar field. I tried with the Threshold filter and realized that I can 
select either less than zero or bigger than zero with the current sliders. 
I can also select zero but not the complement that is what I want. Is that 
an easy way to do that ? If not, can we add a "exclude" or "complement" 
box that will change the behavior of the filter ?
>>> 
>>> Cheers, 
>>> 
>>> Alejandro. 
>>> 
>>> 
>>> 
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